<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="app">
    <!-- 文本框 -->
    <input type="text" v-model.lazy="msg">
    {{msg}}
    <input type="text" v-model.number="msg2">
    {{msg2}}
    <input type="text" v-model.trim="msg">{{msg}}
  </div>
  <script src="./vue.global.js"></script>
  <script>
    const { createApp } = Vue;
    // 创建应用实例
    const app = createApp({
      data(){
        return {
          msg: '初始值',
          msg2:""
        }
      }
    })
    app.mount('#app')
  </script>
</body>
</html>